Fix variable name validator (take parameters into account)

idea/idea-core/src/org/jetbrains/kotlin/idea/core/NameValidators.kt

@@ -119,7 +119,7 @@ class NewDeclarationNameValidator(
         if (nameAsName != name) return false
         if (this is KtCallableDeclaration && receiverTypeReference != null) return false
         return when(target) {
-            Target.VARIABLES -> this is KtVariableDeclaration
+            Target.VARIABLES -> this is KtVariableDeclaration || this is KtParameter
             Target.FUNCTIONS_AND_CLASSES -> this is KtNamedFunction || this is KtClassOrObject || this is KtTypeAlias
         }
     }

idea/testData/intentions/convertFunctionTypeParameterToReceiver/nonFirstParameterPrimaryConstructor.kt.after

@@ -31,9 +31,9 @@ fun baz(f: (Int, Boolean) -> String) {
 class Baz1(f: (Int, Boolean) -> String) : Foo({ i -> f(i, this) })
 class Baz2 : Foo({ i -> (::g)(i, this) })
 
-val f = lambda()
+val f1 = lambda()
 
-class Baz3 : Foo({ i -> f(i, this) })
+class Baz3 : Foo({ i -> f1(i, this) })
 class Baz4 : Foo({ i -> "${i + 1} ${this}" })
 
 class Baz5 : Foo {

idea/testData/intentions/convertFunctionTypeParameterToReceiver/nonFirstParameterSecondaryConstructor.kt.after

@@ -31,9 +31,9 @@ fun baz(f: (Int, Boolean) -> String) {
 class Baz1(f: (Int, Boolean) -> String) : Foo({ i -> f(i, this) })
 class Baz2 : Foo({ i -> (::g)(i, this) })
 
-val f = lambda()
+val f1 = lambda()
 
-class Baz3 : Foo({ i -> f(i, this) })
+class Baz3 : Foo({ i -> f1(i, this) })
 class Baz4 : Foo({ i -> "${i + 1} ${this}" })
 
 class Baz5 : Foo {